/*
 *    Copyright (c) 2023-2025, chenda All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * Neither the name of the cfp4cloud.com developer nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * Author: chenda (chendainfo@gmail.com)
 */

package com.cfp4cloud.cfp.admin.controller;

import cn.hutool.core.io.IoUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cfp4cloud.cfp.admin.api.dto.SysFileGroupDTO;
import com.cfp4cloud.cfp.admin.api.entity.SysFile;
import com.cfp4cloud.cfp.admin.api.entity.SysFileGroup;
import com.cfp4cloud.cfp.admin.service.SysFileService;
import com.cfp4cloud.cfp.common.api.encrypt.annotation.NoEncrypt;
import com.cfp4cloud.cfp.common.core.util.R;
import com.cfp4cloud.cfp.common.log.annotation.SysLog;
import com.cfp4cloud.cfp.common.security.annotation.HasPermission;
import com.cfp4cloud.cfp.common.security.annotation.Inner;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.security.SecurityRequirement;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.servlet.http.HttpServletResponse;
import lombok.AllArgsConstructor;
import lombok.SneakyThrows;
import org.springdoc.core.annotations.ParameterObject;
import org.springframework.core.io.ClassPathResource;
import org.springframework.http.HttpHeaders;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import java.util.Objects;

/**
 * 文件管理
 *
 * @author Luckly
 * @date 2019-06-18 17:18:42
 */
@RestController
@AllArgsConstructor
@RequestMapping("/sys-file")
@Tag(description = "sys-file", name = "文件管理")
@SecurityRequirement(name = HttpHeaders.AUTHORIZATION)
public class SysFileController {

    private final SysFileService sysFileService;

    /**
     * 分页查询
     *
     * @param page    分页对象
     * @param sysFile 文件管理
     * @return
     */
    @Operation(summary = "分页查询", description = "分页查询")
    @GetMapping("/page")
    @HasPermission("sys_file_view")
    public R getSysFilePage(@ParameterObject Page page, @ParameterObject SysFile sysFile) {
        LambdaQueryWrapper<SysFile> wrapper = Wrappers.<SysFile>lambdaQuery()
                .eq(StrUtil.isNotBlank(sysFile.getType()), SysFile::getType, sysFile.getType())
                .eq(Objects.nonNull(sysFile.getGroupId()), SysFile::getGroupId, sysFile.getGroupId())
                .like(StrUtil.isNotBlank(sysFile.getOriginal()), SysFile::getOriginal, sysFile.getOriginal());
        return R.ok(sysFileService.page(page, wrapper));
    }

    /**
     * 通过id删除文件管理
     *
     * @param ids id 列表
     * @return R
     */
    @Operation(summary = "通过id删除文件管理", description = "通过id删除文件管理")
    @SysLog("删除文件管理")
    @DeleteMapping
    @HasPermission("sys_file_del")
    public R removeById(@RequestBody Long[] ids) {
        for (Long id : ids) {
            sysFileService.deleteFile(id);
        }
        return R.ok();
    }

    @PutMapping("/rename")
    public R rename(@RequestBody SysFile sysFile) {
        return R.ok(sysFileService.updateById(sysFile));
    }

    /**
     * 上传文件 文件名采用uuid,避免原始文件名中带"-"符号导致下载的时候解析出现异常
     *
     * @param file 资源
     * @param dir  文件夹
     * @return R(/ admin / bucketName / filename)
     */
    @PostMapping(value = "/upload")
    public R upload(@RequestPart("file") MultipartFile file, @RequestParam(value = "dir", required = false) String dir,
                    @RequestParam(value = "groupId", required = false) Long groupId,
                    @RequestParam(value = "type", required = false) String type,
                    @RequestParam(value = "fileName", required = false) String fileName) {
        return sysFileService.uploadFile(file, fileName, dir, groupId, type);
    }

    /**
     * 内部文件上传接口
     *
     * @param file     上传的文件
     * @param dir      文件存储目录
     * @param groupId  文件分组ID
     * @param type     文件类型
     * @param fileName 自定义文件名
     * @return 文件上传结果
     */
    @Inner
    @PostMapping(value = "/inner/upload")
    public R innerUpload(@RequestPart("file") MultipartFile file,
                         @RequestParam(value = "dir", required = false) String dir,
                         @RequestParam(value = "groupId", required = false) Long groupId,
                         @RequestParam(value = "type", required = false) String type,
                         @RequestParam(value = "fileName", required = false) String fileName) {
        return sysFileService.uploadFile(file, fileName, dir, groupId, type);
    }

    /**
     * 获取文件
     *
     * @param fileName 文件名称，格式为文件空间/名称
     * @param response HTTP响应对象
     */
    @Inner(false)
    @NoEncrypt
    @GetMapping("/oss/file")
    public void file(String fileName, HttpServletResponse response) {
        sysFileService.getFile(fileName, response);
    }

    /**
     * 获取本地（resources）文件
     *
     * @param fileName 文件名称
     * @param response 本地文件
     */
    @SneakyThrows
    @NoEncrypt
    @GetMapping("/local/file/{fileName}")
    public void localFile(@PathVariable String fileName, HttpServletResponse response) {
        ClassPathResource resource = new ClassPathResource("file/" + fileName);
        response.setContentType("application/octet-stream; charset=UTF-8");
        IoUtil.copy(resource.getInputStream(), response.getOutputStream());
    }

    /**
     * 查询文件组列表
     * @param fileGroup SysFileGroup对象，用于筛选条件
     * @return 包含文件组列表的R对象
     */
    @GetMapping("/group/list")
    public R listGroup(SysFileGroup fileGroup) {
        return R.ok(sysFileService.listFileGroup(fileGroup));
    }

    /**
     * 添加文件组
     * @param fileGroup SysFileGroup对象，要添加的文件组信息
     * @return 包含添加结果的R对象
     */
    @PostMapping("/group/add")
    public R addGroup(@RequestBody SysFileGroup fileGroup) {
        return R.ok(sysFileService.saveOrUpdateGroup(fileGroup));
    }

    /**
     * 更新文件组
     *
     * @param fileGroup SysFileGroup对象，要更新的文件组信息
     * @return 包含更新结果的R对象
     */
    @PutMapping("/group/update")
    public R updateGroup(@RequestBody SysFileGroup fileGroup) {
        return R.ok(sysFileService.saveOrUpdateGroup(fileGroup));
    }

    /**
     * 删除文件组
     * @param id 待删除文件组的ID
     * @return 包含删除结果的R对象
     */
    @DeleteMapping("/group/delete/{id}")
    public R updateGroup(@PathVariable Long id) {
        return R.ok(sysFileService.deleteGroup(id));
    }

    /**
     * 移动文件组
     * @param fileGroupDTO SysFileGroupDTO对象，要移动的文件组信息
     * @return 包含移动结果的R对象
     */
    @PutMapping("/group/move")
    public R moveFileGroup(@RequestBody SysFileGroupDTO fileGroupDTO) {
        return R.ok(sysFileService.moveFileGroup(fileGroupDTO));
    }

}
